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GH2801SCKA Datasheet(PDF) 1 Page - International Rectifier |
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GH2801SCKA Datasheet(HTML) 1 Page - International Rectifier |
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1 / 9 page  10/12/12 www.irf.com 1 HIGH RELIABILITY, HIGH EFFICIENCY RADIATION HARDENED DC-DC CONVERTER GH-SERIES Description n Total Ionizing Dose (TID) > 100 KRad(Si) n SEE Hardened to LET Level > 82 MeV.cm2/mg n Internal EMI filter n Low Weight, < 110 grams n Magnetically Coupled Feedback n 18V to 40V DC Input Range n Up to 50W Output Power n Single Output Models Include 1V, 1.5V, 1.8V, 2.5V, 3.3V and 5V n High Efficiency - to 87% n -55°C to +85°C Operating Temperature Range n 100MΩ @ 100VDC Isolation n Under-Voltage Lockout n Short Circuit and Overload Protection n Output Voltage Adjust n Synchronization Output and Input n Remote Sense n External Inhibit Features 28V Input, Single Output Applications The GH series is a family of low voltage single output DC-DC converters. They are specifically designed in response to the need for low voltage at moderate current levels with the high efficiency and tight regulation dictated by modern digital processing applications. The converters are radiation hardened, high reliability converters designed for extended operation in hostile environments. Their small size and low weight make them ideal for applications such as geostationary earth orbit satellites and deep space probes. They exhibit a high tolerance to total ionizing dose, single event effects and environmental stresses such as temperature extremes, mechanical shock, and vibration. All components are fully de-rated to meet the requirements of MIL-STD-975, MIL-STD-1547 except for the CDR type of capacitors, a capacitor with 50V rating is used for in- circuit voltage stress of less than10V. Thorough analyses and documentation including beginning-of-life (BOL) and end-of-life (EOL) electrical worst case (WCA) operation, component stress and de-rating, radiation susceptibility (TREE), thermal stress, failure mode and effects (FMEA), and reliability (MTBF) are available for customer review. The design incorporates a fixed frequency topology with magnetic feedback. Synchronous rectification is deployed to maximize efficiency performance. The converters include an internal EMI filter that is capable of meeting the conducted emission requirements of most major satellite power busses. Incorporation of many functional features including on/off command, remote sensing, and under-voltage lockout make the design suitable for today’s space design applications. GH The converter is enclosed in a hermetically sealed package with the overall dimensions of 3.5"L x 2.50”W x 0.475"H including the I/O pins and mounting tabs. The package base material is silicon carbide- aluminum (AISIC). The package ring frame is Alloy 48. The package utilizes rugged ceramic feed-through copper core I/O pins and is sealed using parallel seam welding. The total mass of a converter is less than 110 grams. n Geostationary Earth Orbit Satellites (GEO) n Deep Space Satellites / Probes n Strategic Weapons and Communication System Manufactured in a facility fully qualified to MIL- PRF-38534, these converters are fabricated utilizing DLA Land and Maritime qualified processes. For available screening options, refer to device screening table in the data sheet. Non-flight versions of the GH-Series converters are available for system development purposes. Variations in electrical specifications and screening to meet custom requirements can be accommodated. PD-97440C |
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